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RabbitMQ Streams–Reliable Consumers

Last week I introduced RabbitMQ streams and how you could produce and consume streams through the RabbitMQ.Stream.Client in .NET. Yesterday I showed how you can improve and simplify producing messages by using a Reliable Producer. Today I want to introduce its counterpart on the consumer side; the Reliable Consumer.

Introducing Reliable Consumers

Reliable Consumers builts on top of Consumer and adds the following features:

  • Auto-Reconnect in case of disconnection
  • Auto restart consuming from the last offset
  • Handle the metadata Update


The Reliable Consumer will try to restore the TCP connection when the consumer is disconnected for some reason.

Auto restart consuming from the last offset

The Reliable Consumer will restart consuming from the last offset stored. So you don’t have to store and query the last offset yourself.

Handle the metadata update

If the streams  topology changes (ex:Stream deleted or add/remove follower), the client receives an MetadataUpdate event. The Reliable Consumer detects this event and tries to reconnect the consumer if the stream still exist or closes the consumer when the stream is deleted.

Receiving messages through the Reliable Consumer

Receiving messages through the Reliable Consumer happens in the same way as with the default Consumer.

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